Allied invasion of Italy order of battle

The Allied invasion of Italy, a phase of the Mediterranean Theater of World War II, took place on 3 September at Reggio di Calabria (Operation Baytown), and on 9 September 1943 at Taranto and Salerno (Operation Slapstick and Operation Avalanche respectively). Allied naval forces landed American and Commonwealth troops on the beaches of southern Italy where they faced resistance from Axis forces.

Source: Wikipedia — Allied invasion of Italy order of battle (CC BY-SA 4.0)